DifCal vs Math Shot Multiplication

Calculate diffraction angles for a particular crystal with a defined orientation matrix. New crystals can be added to the database. Energy/wavelength can be changed. Currently knows about 4-circle, Z-Axis and Theta-Theta diffractometers as well as 2-circle, powder and amorphous diffraction modes. Current crystals include silicon, diamond, GaAs, Muscovite (mica), graphite, many 3-5 and 2-6 crystals. There are separate screens for setting the crystal (or creating a new one), defining the orientation matrix, defining the diffractometer mode, and calculating either angles, given h,k,l, or hkl given a set of angles. With the larger screen of the iPad all the controls are visible on a single page.

Math Shot Multiplication is a math learning game with fun and engaging game-play and as we all know learning through play and fun is more effective. Practice multiplication in a new and fun way. The built-in handwriting recognition allows you to draw answers directly on the screen. The game difficulty dynamically adapts to player's skills and makes the game suitable for all ages. You can practice the following math skills: Multiplication tables for 2, 3, 4, 5, 10 Multiplication tables for 6, 7, 8, 9 Multiply by a multiple of ten Multiply one-digit numbers by two-digit numbers Multiply one-digit numbers by three-digit numbers Multiply by 2 Multiply by 3 Multiply by 4 Multiply by 5 Multiply by 6 Multiply by 7 Multiply by 8 Multiply by 9 Multiplication facts up to 10×10 Multiplication facts up to 12×12 Multiply 1-digit numbers by 4-digit numbers Multiply 2-digit numbers by 2-digit numbers Multiply numbers ending in zeroes Multiply three numbers up to 10 each