SuperfastMath vs Physics Formulas

SuperfastMath - are you the fastest in the world? The awesome Superfastmath now has Game Center integration! This allows players to find out where they rank in the world in each number skill. from reviewers: ‘this is the best maths app I’ve seen. So simple. We love it.’ - 5 stars ‘An excellent little programme, especially enjoyable when you get it right and it awards you a decent score. ‘ - 5 stars ’nice and intuitive’ - 5 stars Designed by qualified teachers of Mathematics, SuperfastMath asks 10 animated questions on a specific number skill to be answered as quickly as possible. Get 10 out of 10 within the specified time limit to gain an A+ gold star achievement. 15 fundamental math skills are tested including the multiplication tables, addition, subtraction and division. Can you earn all 15 gold stars? SuperfastMath's carefully designed grading criteria provides a universal grading standard for the assessment of fundamental number skills for everyone in the world. The new global leaderboards mean players can see where they rank in the world at one digit addition, the four times table, one digit subtraction etc. Features - no in-app purchases - no adverts - 15 Top 10 graded scoreboards within the device if playing off-line - review responses page with corrections - includes left-handed option - suitable for all ages - 15 number skill games in one app!

PhysRef is the complete physics formula reference designed for students, engineers, and science enthusiasts. Access hundreds of formulas, physical constants, and built-in calculators - all without internet connection. COMPREHENSIVE FORMULA DATABASE Browse formulas organized by topic: Mechanics, Thermodynamics, Waves, Electricity and Magnetism, Optics, and Modern Physics. Each formula includes variable definitions, units, and related concepts. BUILT-IN CALCULATORS Stop doing manual calculations. Enter your known values and instantly compute the unknown variable. Every calculator validates inputs and displays results with appropriate units. PHYSICAL CONSTANTS TABLE Quick access to fundamental constants including speed of light, gravitational constant, Planck's constant, electron mass, Boltzmann constant, and dozens more. All values use standard reference data. UNIT CONVERTER Convert between units across 14 categories: length, mass, time, velocity, acceleration, force, energy, power, pressure, temperature, electric charge, electric current, angle, and frequency. PERSONAL NOTES Add your own notes to any formula. Perfect for exam prep, recording problem-solving strategies, or marking formulas you find tricky. FORMULA DERIVATIONS Understand where formulas come from. See step-by-step derivations that connect fundamental principles to the equations you use. WORKS COMPLETELY OFFLINE All content is bundled in the app. Study on airplanes, in basements, or anywhere without signal. No account required. No internet needed. DESIGNED FOR STUDENTS Covers content from AP Physics 1, AP Physics 2, AP Physics C, IB Physics, and introductory university physics courses. Whether you are preparing for an exam or solving homework problems, PhysRef has you covered. PRIVACY FIRST Your data stays on your device. We do not collect personal information. No tracking. No analytics. No ads. FEATURES SUMMARY - Formula browser organized by physics topic - Search by formula name, variable, or concept - Calculators for solving problems - Physical constants with precise values - Unit converter with 14 categories - Personal notes on any formula - Formula derivations and explanations - Related formulas and connections - Bookmarks for quick access - Search history - Dark and light themes - 100% offline functionality Built for physics students who want a reliable, ad-free reference that works anywhere. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/