The game with "Elektronikrechner" - electronic calculator.
From the publishers description:
Goal: Who can build first an uninterrupted row of tokens on the game board, from start to finish? Who has at the same time brought his end sum by clever choosing numbers near Zero, so he wins the game.
Some tactics for an even more suspenseful game: Instead of cool calculating taking risks: All results change suddenly. Giving bad numbers to the other players. Blocking another players path.
Electronic calculator: With this exciting tactical game the electronic calculator is in high demand. With its help the best solutions can be found, when the best numbers have to be chosen. Also apart from the game You get useful services by the calculator. Effortless You can calculate everything that has to be calculated in every day life. Electronic calculator from Texas Instrumets.