1089 Number Trick

ASCII and Text Conversion

Base Change Conversions

Bit Shifting

Bitwise Operations

Braille Translator

Caesar Box

Change Counting

Clock Gain and Loss

Coin Amount to Denomination

Coin Values

Coupon Comparison

Date Calendar

Day of Year Calendar

Elapsed Time

Encryption

Exponential Growth

Football Squares

Gas Mileage

Grade Point Average (GPA)

Half-Life of a Substance

Heat Index

Logistic Map

Mathematical Constants and Identities

Military Phonetic Alphabet

Morse Code Translator

N-Grams

Pascal-Floyd-Leibniz Triangle

Phone Number Translator

Pool Volume

Run Length Encoding

Salary Converter

Stopping-Braking Distance for a Car

String Comparison Algorithms

Time Zone Converter

Tip

Typing Speed

Unicode

Unix Time Translation

Walking Distance (Pedometer)

Wind Chill Factor

Word Scrambler

Yahtzee-1st Roll

Demonstrates the 1089 number trick for a 3 digit number that you enter

Calculator · Watch the VideoASCII and Text Conversion

This converts a string to ASCII or ASCII to a string.

CalculatorBase Change Conversions

Converts a positive integer to Binary-Octal-Hexadecimal Notation or Binary-Octal-Hexadecimal Notation to a positive integer. Also converts any positive integer in base 10 to another positive integer base (Change Base Rule or Base Change Rule or Base Conversion)

CalculatorBit Shifting

Performs a bit shift left or a bit shift right on a decimal or binary number

CalculatorBitwise Operations

Performs bitwise operations between two decimal or binary numbers:

* Bitwise OR

* Bitwise AND

* Bitwise XOR

Also performs Bitwise NOT on 1 number

Calculator · Watch the Video* Bitwise OR

* Bitwise AND

* Bitwise XOR

Also performs Bitwise NOT on 1 number

Braille Translator

Given a phrase with letters, numbers, and most punctuation symbols, the calculator will perform the following duties:

1) Translate that phrase to Braille

2) Calculate the number of dots in the message

3) Calculate the number of empty spaces in the message

Calculator1) Translate that phrase to Braille

2) Calculate the number of dots in the message

3) Calculate the number of empty spaces in the message

Caesar Box

Decodes a Caesar Box, Caesars box, or Caesar's box

Calculator · Watch the VideoChange Counting

This shows you how to make change using the least amount of bills/coins by taking a bill amount and a cash tendered amount from a customer and figuring out the fastest way to make change. Maximum denomination is $100

CalculatorClock Gain and Loss

This calculates the gain/loss in seconds of a clock over a certain period of time.

CalculatorCoin Amount to Denomination

Takes a money value and using the highest possible bills/coins, constructs the amount using bills and coins.

CalculatorCoin Values

This calculates the total value of a given amount of:

* Pennies

* Nickels

* Dimes

* Quarters

* Half-Dollars

* Dollars

Calculator · Watch the Video* Pennies

* Nickels

* Dimes

* Quarters

* Half-Dollars

* Dollars

Coupon Comparison

Given a cost of goods, a dollar off coupon, and a percentage off coupon, this calculator will compare the two deals and determine which one is of more value. If the dollar coupon wins, the calculator will project the break even price where the dollar coupon would surpass the percentage coupon

Calculator · Watch the VideoDate Calendar

Shows a calendar for a month and year

CalculatorDay of Year Calendar

Shows you the numeric day within a full calendar year and leap year

LessonElapsed Time

This determines the elapsed time between two clock readings.

CalculatorEncryption

Encrypts various strings using methods such as:

md2

md4

md5

sha1

sha256

sha384

sha512

ripemd128

ripemd160

ripemd256

ripemd320

whirlpool

tiger128,3

tiger160,3

tiger192,3

tiger128,4

tiger160,4

tiger192,4

snefru

gost

adler32

crc32

crc32b

haval128,3

haval160,3

haval192,3

haval224,3

haval256,3

haval128,4

haval160,4

haval192,4

haval224,4

haval256,4

haval128,5

haval160,5

haval192,5

haval224,5

haval256,5

Calculatormd2

md4

md5

sha1

sha256

sha384

sha512

ripemd128

ripemd160

ripemd256

ripemd320

whirlpool

tiger128,3

tiger160,3

tiger192,3

tiger128,4

tiger160,4

tiger192,4

snefru

gost

adler32

crc32

crc32b

haval128,3

haval160,3

haval192,3

haval224,3

haval256,3

haval128,4

haval160,4

haval192,4

haval224,4

haval256,4

haval128,5

haval160,5

haval192,5

haval224,5

haval256,5

Exponential Growth

This solves for any 1 of the 4 items in the exponential growth equation or exponential decay equation, Initial Value (P), Ending Value (A), Rate (r), and Time (t).

Calculator · Watch the VideoFootball Squares

Generates a Football Squares grid

CalculatorGas Mileage

Given miles driven and gallons of gas, this calculates your gas (fuel) mileage.

CalculatorGrade Point Average (GPA)

Calculates Grade Point Average (GPA) based on letter grades entered.

Calculator · Watch the VideoHalf-Life of a Substance

Given a half-life (h) of a substance at time t, this determines the new substance size at time t_{n}, otherwise known as decay.

Calculator · Watch the VideoHeat Index

Given a temperature in Fahrenheit and a relative humidity percentage, this calculates the Heat Index.

CalculatorLogistic Map

Given r, x_{0} and (n) trials, this will display the logistic map.

Calculator · Watch the VideoMathematical Constants and Identities

Calculates and explains various mathematical constants such as:

* Gelfonds (Gelfond's) Constant

* Eulers Constant

Calculator* Gelfonds (Gelfond's) Constant

* Eulers Constant

Military Phonetic Alphabet

Translates a statement or phrase into the military phonetic alphabet

CalculatorMorse Code Translator

Given a phrase with letters, numbers, and most punctuation symbols, the calculator will perform the following duties:

1) Translate that phrase to Morse Code.

2) Translate the Morse Code to a Dit-Dah message

3) Calculate the number of dots in the message

4) Calculate the number of dashes in the message

This also translates__from__ Morse Code back to English.

Calculator · Watch the Video1) Translate that phrase to Morse Code.

2) Translate the Morse Code to a Dit-Dah message

3) Calculate the number of dots in the message

4) Calculate the number of dashes in the message

This also translates

N-Grams

Takes a phrase and displays chracter unigrams, character bigrams, character trigrams, and character n-grams as well as word unigrams, word bigrams, word trigrams, and word n-grams. (ngrams)

Also performs frequency analysis (number of instances of each letter)

Calculator · Watch the VideoAlso performs frequency analysis (number of instances of each letter)

Pascal-Floyd-Leibniz Triangle

This generates the first (n) rows of the following triangles:

Pascal's Triangle

Leibniz's Harmonic Triangle

Floyd's Triangle

Calculator · Watch the VideoPascal's Triangle

Leibniz's Harmonic Triangle

Floyd's Triangle

Phone Number Translator

Given a phone number with letters in it, this calculator will determine the numeric phone number for you to dial.

CalculatorPool Volume

Given a round shaped pool, this calculates the volume (Capacity) in gallons of the pool when filled with water

CalculatorRun Length Encoding

Given a string, this will determine the run length encoding using repeating patterns of characters.

Calculator · Watch the VideoSalary Converter

This calculator converts an annual salary to the following measures:

* Monthly

* Weekly

* Daily

* Hourly

* Each Minute

* Each Second

Calculator · Watch the Video* Monthly

* Weekly

* Daily

* Hourly

* Each Minute

* Each Second

Stopping-Braking Distance for a Car

Calculates the estimated stopping distance of a vehicle given a speed in miles per hour (mph)

CalculatorString Comparison Algorithms

Given two strings A and B, this calculates the following items:

1) Similar Text Pair Ranking Score

2) Levenshtein (Edit Distance).

Calculator1) Similar Text Pair Ranking Score

2) Levenshtein (Edit Distance).

Time Zone Converter

Converts a time from one time zone (timezone) to another.

CalculatorTip

Calculates the total bill with Tip and how much each person owes if the bill is split evenly. Shows the amount of tip per person.

Calculator · Watch the VideoTyping Speed

Solves for words per minute, number of words typed, errors, or number of minutes typing based on user entry.

CalculatorUnicode

Translates a unicode to a character

CalculatorUnix Time Translation

Translates a unix time to date and time information

CalculatorWalking Distance (Pedometer)

Given a number of steps and a distance per stride in feet, this calculator will determine how far you walk in other linear measurements.

CalculatorWind Chill Factor

This calculator determines the wind chill factor given a temperature in F° and a wind speed in miles per hour (mph). Simply enter your temperature and wind speed and press the button

CalculatorWord Scrambler

Scrambles a list of words for you.

CalculatorYahtzee-1st Roll

Calculates the probability of various scoring hands in the game of Yahtzee on the 1st roll of the dice.

Calculator · Watch the Video