bind "kp_minus" "buy vest;"
bind "kp_plus" "buy vesthelm;"
bind "kp_enter" "buy defuser;"
bind "kp_pgup" "buy flashbang;"
bind "kp_rightarrow" "buy smokegrenade;"
bind "kp_pgdn" "buy hegrenade;"
bind "kp_del" "buy molotov; buy incgrenade;"
bind "kp_home" "buy p250;"
bind "kp_uparrow" "buy tec9; buy fiveseven;"
bind "kp_downarrow" "buy ak47; buy m4a1;"
bind "kp_end" "buy awp;"
bind "kp_leftarrow" "buy mac10; buy mp9;"
bind "kp_5" "buy p90;"

Added later:

voice_scale 0.1
bind "mwheelup" +jump
bind "mwheeldown" +jump
bind "space" +jump
gameinstructor_enable 0
cl_use_opens_buy_menu 0
bind "mouse4" +voicerecord
cl_autowepswitch 0