Calcu vs Kimsa

Calcu-Logarithm performs calculations and helps user understand logarithms on advanced level: 1. Solves equation "y = log_a(x)” for “y”, “x”, and “a”, with relevant graphs. 2. Explains and illustrates how to compute log_e (x) from Taylor series. 3. Explains and illustrates how to compute log_10 (x) digit by digit (based on M.Goldberg algorithm). 4. Explains and provides proof of log_e definition as the integral of x inverse. 5. Simplifies logarithmic expressions and solves logarithmic equations with polynomials of up to 20th degree. 6. Includes virtual slide rule for multiplication and division. 7. Calculates, explains, and graphs logarithms of complex numbers. Developers welcome any feedback, please write to us at graphmath@aol.com. Please check out our other Math apps.

Master math by doing it — not by watching videos. Kimsa generates unlimited, calculator-free practice problems and, on every wrong answer, tells you the EXACT mistake you made and how to fix it. No two sessions repeat, everything works offline, and it tracks what you've truly mastered. WHAT'S INSIDE • Algebra I & II / Precalculus, Geometry, and SAT / SSAT / ISEE / HSPT math • Unlimited problems generated on your device — fresh every time, no repeats • Exact-answer, calculator-free work: clean integers, fractions, and radicals • Every wrong multiple-choice option is a NAMED mistake ("distributed only the first term," "flipped the inequality") — so you learn the why, not just the what • A timed practice placement test with a predicted score • Mastery tracking + spaced repetition that resurfaces topics right before you'd forget them • A personalized study plan that maps your gaps and schedules the fix • A parent progress report: readiness, recurring mistakes, time on task FREE FOR 7 DAYS, THEN SUBSCRIBE Try everything free for 7 days — full access, no limits. After the trial, a subscription keeps your access to unlimited practice, the timed placement test, mastery tracking, the study plan, progress reports, and the AI tutor: • Step-by-step walkthroughs of any problem • A fresh worked example when you're stuck • "How to think about it" coaching Homework Help — paste your OWN problem and get taught how to solve it — is included with the Premium plan. WORKS OFFLINE · NO PERSONAL INFO The practice engine runs on your device — no internet needed once installed. We collect no name, no email, and no personal information. SUBSCRIPTION Auto-renewing. Cancel anytime in Settings — cancel before the 7-day free trial ends and you won't be charged. Payment is charged to your Apple ID; it renews unless auto-renew is turned off at least 24 hours before the period ends. BUILT TO BE CORRECT Every problem resolves to an exact answer that's machine-checked — no wrong answer keys, no calculator decimals. Just honest, hand-solvable math. Great for summer refresh, leveling up during the year, and prepping for placement or entrance exams. TERMS & PRIVACY Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://kimsa.ai/privacy