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Find percentage of a value, percentage increase/decrease, and ratios instantly.

Plot and compare explicit functions with an interactive coordinate plane.

Convert National Senior Certificate percentages into admission points and check the statutory pass level.

Calculate sample and population variance, standard deviation, mean, and range from a list of values.

Find the probability between two values, z-scores, and the middle 68% and 95% ranges of a normal distribution.

Solve SSS, SAS, ASA, and AAS triangles with the law of sines and cosines, including area and perimeter.

Project fixed-rate compound growth with monthly contributions, including SIP-style scenarios.

Estimate a home loan EMI or mortgage payment, total interest, taxes, insurance, and amortization.

Find your break-even point and monthly savings when refinancing a mortgage.

See how extra monthly payments change a fixed-rate loan payoff schedule and total interest.

Find the maximum home price your income and debts support.

Compare total renting cost against buying, including the equity you build.

Find percentage of a value, percentage increase/decrease, and ratios instantly.

Compute discounted prices, stacking promo codes, and final checkout totals.

Convert markup percentages to margin and set profitable selling prices.

Full scientific calculator with trigonometry, logarithms, exponents, factorials, and keyboard support.

Calculate mean, median, sample and population standard deviation, variance, and more from a list of numbers.

Find the mean, median, and mode of any dataset with range, sum, and count.

Find out what score you need on the final exam to achieve your target grade.

Plot and compare explicit functions with an interactive coordinate plane.

Convert National Senior Certificate percentages into admission points and check the statutory pass level.

Find the confidence interval for a sample mean, with margin of error, standard error, and critical value.

Calculate the survey or study sample size needed for a target confidence level and margin of error.

Calculate sample and population variance, standard deviation, mean, and range from a list of values.