calculator  some  calculators  look 
1.![6.jpg](https://steemitimages.com/DQmZKVi78HZzPx4EvtCFY9efxGFRppVansV33T7Yabskarg/6.jpg)
2.![7.jpg](https://steemitimages.com/DQmetwUcSHAKfWpFvw4Hn1zBVwtGKD6nCbQj7EmeuE6r3Km/7.jpg)
3.![8.jpg](https://steemitimages.com/DQmQxm3QJeXh7ZnE38epdkZZBF33isx3zi2GCYiakPrSGLu/8.jpg)
4.![9.jpg](https://steemitimages.com/DQmfY81GwLYdSt142gLAvByWc1nNT2nyLWvTfE2F5dhHRaR/9.jpg)
5.![10.jpg](https://steemitimages.com/DQmdc6CexjTUhBUMXorHdyDVsJTwqfo1gwt8VcGdGsHHUiq/10.jpg)