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Everyday & Math Tools
Everyday & Math Tools
General-purpose calculators for everyday arithmetic.
13 live
13 in this section
#32
Percentage Calculator
Percentage of, increase, decrease, and what percent of.
Open
#33
Age Calculator
Age in years, months and days.
Open
#34
Date Calculator
Date difference, add days and subtract days.
Open
#35
Date of Birth Calculator
Date of birth from a known age.
Open
#36
Scientific Calculator
Full scientific calculator, operable from the keyboard.
Open
#37
Fraction Calculator
Fraction arithmetic with simplification and working shown.
Open
#38
Ratio Calculator
Simplify, solve, scale and divide by a ratio.
Open
#74
Bill Splitter
Split a bill so the centavos add up, with service charge and VAT.
Open
#75
Average, Median & Mode
All three averages at once, because the gap between them is the point.
Open
#78
Working Days Calculator
Working days between two dates, Philippine holidays excluded.
Open
#79
Date Formatter
Every form of a date, and the ambiguity in 03/04/2026 named.
Open
#80
Random Picker
Pick, shuffle, group, roll — unbiased, and it says how.
Open
#81
Recipe Scaler
Scale a recipe by servings, in fractions a cook can measure.
Open
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