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Help tools

The topics in this category are very useful.

Calendar
Calendar
Text functions
Text functions
Response time
Response time
Lotto generator
Lotto generator
Equation Solver
Equation Solver
Cheat sheet
Cheat sheet
QR-code
QR-code
Function graph
Function graph
Password generator
Password generator
ASCII generator
ASCII generator
Relative luminance
Relative luminance
BMI
BMI
Round images
Round images
Text in ASCII-art
Text in ASCII-art
Biorhythm
Biorhythm