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Add your own personal touch by enhancing your text messages, depending on your mood, write and/or draw and/or scribble your ideas, expressions, emotio …

Learn to set numbers, add/subtract numbers using a process known as Mechanization.Features * Completely redesigned for iPad user interface * Abacus * …

Learn to calculate using Abacus or Soroban. Sorobacus will help you to learn these ancient calculators with a simple user interface. SPECIFICATIONS:So …