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Browse the tool catalog - Math, Date & Finance | Page 12

Calculators, numerics, date logic, statistics, and finance tools Page 12.

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Math & Numbers

Trimmed Mean Calculator

Calculate a trimmed mean by removing the same percentage of low and high values before averaging

Math & Numbers

Variance Calculator

Calculate sample variance, population variance, and optional standard deviation for a numeric dataset

Math & Numbers

Tip Calculator

Calculate tips and split bills between multiple people with customizable tip percentages

Math & Numbers

Time Unit Converter

Convert between different time units (seconds, minutes, hours, days, weeks, etc.)

Date & Time

Time Adder/Subtractor

Add or subtract time from a date

Date & Time

Time Duration Formatter

Format time duration into various human-readable formats

Math & Numbers

Trigonometry Calculator

Calculate trigonometric functions (sin, cos, tan)

Finance

Advanced Tip Split Calculator

Split bills by items with individual amounts and custom tip percentages per person

Finance

VAT Calculator

Calculate VAT (Value Added Tax) for purchases and sales

Math & Numbers

Tensile & Yield Strength Calculator

Compute engineering tensile strength σ_uts = F_max/A₀, yield strength σ_y = F_y/A₀ (optional), and the yield ratio σ_y/σ_uts from a uniaxial tension test. Forces in kN, area in mm² → stress in MPa. A₀ is the original cross-section. Yield ratio <0.55 high ductility, 0.55–0.85 moderate, >0.85 low ductility.

Math & Numbers

Test Score Percentage Calculator

Convert points earned and total points into a test score percentage, points lost, and letter grade

Finance

Text Currency Normalizer

Find, convert and normalize currency values within text content