Drawing Desk paint,draw,papers vs calcMod

Drawing Desk Key Features: * Draw on whiteboard, blank canvas or your photos, pictures & images with Pen, Line, Arrow, Rect(Stroke), Rect(Fill), Ellipse(Stroke), Ellipse(Fill), Eraser. * Edit your photos, pictures & images with Filter, Adjustment, Effect, Blur & Focus, Rotate, Draw, Splash, Crop, Resize, ToneCurve, Sticker, Emotions, Text. * Draw everything what you want with the tools and colors what you like. * Custom the size(0-50) of your drawing tools. * Custom the alpha(0-1) of your drawing colors. * Undo, Redo, Clear and Wipe off drawing actions. * Add blank paper to your canvas restart your drawings. * Change the background color by pressing on the ColorsPicker. * Remember your last used marker colors and sizes and your canvas color. * Import photos from your album or take pictures through camera or choose images from template to trace, annotate, and have fun with them. * Save your drawings to your Photos Library. * Print your drawings to AirPrint enabled printers. * Draw together and share with your friends and family through the social media app. Just send your drawing to them and they can open it and draw on it too and then send it back. Please rate it to support us to do better and for more people can find, download, use and enjoy it. Please share it with your friends and family members to help for getting the word out. Please send email to us in app and let us know how you use it, also send us your drawings, questions, concerns and feedbacks. Our simple goal is just to make the funny and easy to use this drawing and editing app for kids and everyone who like drawing and editing. We will go on to improve it with your reviews, feedbacks, supports. We will be so happy if you and someone you know who both enjoy using it.

What are all the digits of the factorial of 69 and how many digits ? What is the gogol number ? How many integers of the form 10^n+1 are prime ? (like 101) Want to know if a big integer is prime ? The change mod function indicates when the number is prime. Want to know the divisors of an integer ? A prime divisor has no inverse modulo this integer. This is a modulo calculator overpowering almost limitless! (only display is limited !) With modulo gogol, calculus are exact until 100 digits ! The "n!" button calculates the factorial of an integer from 0 to 2000. Factorial are limited to factorial of 2000. The "change modulo" (change modulo) function indicates when the modulo is prime. There are no limit to the modulo except the display. The "modulo gogol" button set a modulo to 10^100 (gogol number). You can stoke one number and recall it when you want. The "Mod" operation indicates the residue modulo N. The "pow" function allow modular exponentiation (as + - *) The "INV" function calculates the inverse of an integer modulo N. This app is intended for both mathematics teachers and/or their students, or if you are interested in the beauty of numbers. Enjoy calcMod-Blk ! Les commentaires sont disponibles en français (réglages).