Dates and Math


A Basic Pythagoras Implementation in VB6
A Function That Computes the Eigenvalues and Eigenvectors For a Real Symmetric Matrix
A Simple Digital Clock
A Very Simple Calculator
Angle to XY
Bitwise Left Shift and Right Shift for VB
Calcualte Relative Date from Today (Leap Year Aware)
Calculate a person's age
Calculate a Person's Age Using DateSerial Function
Calculate a Person's Exact Age
Calculate an Interpolated Value.
Calculate Elapsed Time Given Start & End Dates/Times
Calculate Mod 10 Check Digit
Calculate n Prime Numbers
Calculate One-Sample T Statistics
Calculate the standard deviation of elements in an array
Calculator With Extra Functions
Calendar: 1 Month with Highlighting in Excel
CDateHour - Convert From DateTime, Rounding Down To The Nearest Hour
Check Digit MOD 10 w/ weights 7-5-3-2
Check If a Date/time Value is During Daylight Savings or Standard Time
Compare dates to Determine which one is Later
Compare two Time Values to Determine Which is Earlier
Compute CRC Checksum
Compute Geodesic Distance between Earth surface Coordinates
Convert a numeric value to binary
Convert Seconds to Minutes (or Minutes to Hours) in 0:00 format
Convert a Date to a Julian Date (one-line function)
Convert a Decimal Number to Any Base (Bin, Oct, Hex)
Convert a Decimal Number to Binary
Convert a Decimal to a Fraction
Convert a Hexadecimal Number to a Base 10 Value
Convert a Long Integer to a Byte Array
Convert any Date Value to Julian Date Value
convert base 10 to any other base
Convert Byte Array to Corresponding Numeric Value
Convert Bytes to Megabytes
Convert Bytes to the Appropriate Format (Bytes, KB, MB, GB)
Convert French Francs to Euro
Convert Long Integer to Binary Value
Convert Number To Time
Convert Seconds Into Minutes in Decimal Format
Convert seconds or a date range to hours, minutes, seconds (hh:mm:ss
Convert Seconds to a String as D:H:M:S
Convert Seconds to Days, Hours, Minutes, Seconds
Convert Seconds to Hours, Minutes Seconds as h:mm:ss
Convert seconds to Hours, Minutes, and Seconds
Convert Values Between Different Bases
Convert your system date to MM/dd/yyyy for Y2K
Converts a Long numeral to an 8 character Hex value

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