Pre-calculus — formulas

Are your precalculus exam at the corner? Then you have no choice but to download “Precalculus”!
Can you just imagine that with the help of one app you can easily learn the course on pre-calculus as well as on college or high school algebra by yourself, reviewing the textbook provided, watching video lessons and studying formulas?!
With “Precalculus” you don’t need anymore neither books nor tutoring nor internet and even nor cribs containing precalculus exam answers, you just need smartphone and “Precalculus” downloaded. “Precalculus” is your personal tutor that provides you with:
▶ FORMULAS
• Full list of formulas that can only be used in precalculus course
• Clear comments on each formula
• An easy “formula search” optimizing not only the process of learning but cheating also
▶ TEXTBOOK
• Full list of precalculus topics: from easy ones such as Equations of Lines, Unit Circle and Tangent Lines to Limits and Trigonometric Equations
• Plain language
• Offline mode is available.
▶ VIDEO LESSONS
• An ordered list of 148 video lessons broken down into sections
• All these lessons are taken from the one tutor
• There are lessons revising the basic things that you might need in studying precalculus