Hold down ALT and type a number on the keyboard. Let go of ALT and it will appear. Here are some of them.

149

‰

0 137

169

174

153

÷

Seven days a week

245

246

248

2 13

2 14

177

×

2 15(4 1409)

√

4 1420

2 16

18 1

182

220

188

189

223

230