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VERIFIED TRUST FOR REAL-WORLD AI
APPS · CALC STEPS
Most calculators hand back a number and keep the reasoning. Calc Steps answers, then shows every step that got there in plain words, and closes with a check that uses your own numbers. Nothing is true because the screen says so.
HOW TO USE IT
WHERE IT STANDS. Calc Steps is live in open preview at its own address, linked from this page. The free bench is complete and open to everyone. The full bench opens with an owner account, and owner accounts open shortly. Proctor Mode is free for teachers on the live service.
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Course modes on the bench, from Algebra to Project Management.
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Guided flows that show their work, one piece at a time.
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Tools on one page. Calculator, guided steps, graphing, statistics, conversions, money solvers, Proctor Mode.
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Courses free in full on the free bench, with no account asked and no network needed.
One page, seven tools, each in its own box. The page works in order, the way the steps above run. Open the app and the boxes below are the cards you will meet, in the same order.
THE CALCULATOR
A full scientific keypad that takes typed problems too.
Trig, logs, powers, roots, factorials, and the constants. Type the problem as it stands on the page, or tap the keys one by one. Degrees or radians is one switch at the top of the app, and it stays where you set it.
GUIDED STEPS
One piece at a time, then every worked step.
The quadratic formula, the Pythagorean theorem, z scores, growth and decay, earned value, and more across all eleven courses. A trail at the top names the step you stand on and what comes next, and finished steps can be tapped to go back and change a number.
GRAPHING
The graph draws itself on the grid.
Each grid step is one unit. The value at zero prints under the graph, and Reset view puts the middle back in one tap.
STATISTICS FROM A LIST
Count, sum, mean, median, mode, range, spread.
Both standard deviations print, population and sample, each under its own name, with one line under the table saying how the two differ. Nothing arrives as a bare number with its kind left to guess.
UNIT CONVERSIONS
Group first, then the units, then the value.
Length, mass, volume, time, area, speed, and temperature. The Swap button runs the same conversion backwards in one tap.
MONEY SOLVERS
Savings growth and the fixed monthly payment.
Each solver starts from the few numbers the bank starts with. Starting amount, yearly rate, years, and how often growth is figured, or the loan amount, its rate, and its length.
PROCTOR MODE · FREE FOR TEACHERS
The teacher runs the session. Students join with a short code.
While a session runs, the app records each time a student leaves its page and each return, with the time, on a live roster the teacher reads. What the mode cannot do, it says on its own card inside the app, in plain words.
The bench stands in two parts. The free part is a complete tool, not a sample of one. The full part opens with an owner account when accounts open.
FREE · NO ACCOUNT
The calculator, the conversions, and the guided steps for four courses.
Algebra, Trigonometry, Calculus, and Statistics, in full. It runs on your device. It asks for no email, makes no account, and keeps no record of your work. It stays free.
OWNER ACCOUNT
The other seven courses, plus Proctor Mode.
Geometry, Precalculus, Physics, Chemistry, Engineering, Finance, and Project Management. Sign in is a link sent to your email. There is no password to make or to lose. What an account holds is listed in plain words inside the app, on its own card, before anyone is asked for an address.
The free bench holds nothing at all. The problems you type and the answers you get stay on your device, and the account service never sees them. An owner account holds only the short list the app itself prints on its data card. Deleting the account ends the whole record at once.