diff --git a/map/emoji.dict b/map/emoji.dict
index e73e56a..9a946dd 100644
--- a/map/emoji.dict
+++ b/map/emoji.dict
@@ -51,9 +51,11 @@ alpha	α 🦁
 beta	β
 chi	χ
 deg	° 🪯
+degree	°
 delta	δ
 de	Δ 🪅
 dn	↓
+down	↓ 🫳 👇 👎 🐨 📩 📉 ⬇️ ⤵️ 🔽 ⏬ 🔻
 _e	ₑ
 eps	ε
 eta	η
@@ -62,38 +64,47 @@ gamma	γ
 ga	Γ
 ^i	ⁱ
 ii	∫
+integral	∫
 inf	∞
+infinity	∞ ♾️
 iota	ι
 kappa	κ
 lambda	λ
 la	Λ
 mul	×
+times	×
 mu	μ
 ^n	ⁿ
 nu	ν
 omega	ω
 om	Ω 🕉️
 oo	●
+circle	● 🛞 ⏺️ ⭕ Ⓜ️ 🔴 🟠 🟡 🟢 🔵 🟣 🟤 ⚫ ⚪
 _o	ₒ
 phi	φ
 ph	Φ
 pi	π Π 👲
 pp	∏
+prod	∏
 psi	ψ
 ps	Ψ
 rho	ρ
 sigma	σ
 si	Σ
 sq	√
+sqrt	√
 ss	∑
+sum	∑
 tau	τ
 theta	θ
 th	Θ
 up	↑ 🤮 🫳 👆 ☝️ 👍 🤲 🧗 🧗‍♂️ 🧗‍♀️ 🍳 🧣 🧥 📄 📈 ⬆️ ⤴️ 🔝 🔼 ⏫ 🆙 🔺
 ups	υ
 vv	✓
+check	✓ ✅ ☑️ ✔️
 xi	ξ Ξ
 xx	✗
+cross	✗ 🤞 🧘 🧘‍♂️ 🧘‍♀️ ⛪ ⛑️ ✝️ ☦️ ❌ ❎ 🎌
 _x	ₓ
 zeta	ζ
 grinning face	😀
@@ -3075,7 +3086,6 @@ leftwards	🫲 🫷 🤛
 左側	🫲
 palm down hand	🫳
 dismiss	🫳
-down	🫳 👇 👎 🐨 📩 📉 ⬇️ ⤵️ 🔽 ⏬ 🔻
 drop	🫳 ☔ 💧 🩸
 dropped	🫳
 palm	🫳 🫴 🌴 🥥 🪬
@@ -3244,7 +3254,6 @@ vサイン	✌️
 ぴーす	✌️ 🧩
 ピース	✌️ 🧩
 crossed fingers	🤞
-cross	🤞 🧘 🧘‍♂️ 🧘‍♀️ ⛪ ⛑️ ✝️ ☦️ ❌ ❎ 🎌
 crossed	🤞 🫰 ⚔️ 🔀 🎌
 검지와 중지 크로스	🤞
 검지	🤞 ☝️
@@ -11293,7 +11302,6 @@ pump	⛽
 がそりんのずる	⛽
 ガソリンノズル	⛽
 給油	⛽
-circle	🛞 ⏺️ ⭕ Ⓜ️ 🔴 🟠 🟡 🟢 🔵 🟣 🟤 ⚫ ⚪
 tire	🛞
 turn	🛞
 휠	🛞
@@ -16865,7 +16873,6 @@ equals	🟰
 等しい	🟰
 等シイ	🟰
 等号	🟰
-infinity	♾️
 forever	♾️
 unbounded	♾️
 universal	♾️
@@ -17025,7 +17032,6 @@ o	⭕ 🅾️
 輪	⭕
 check mark button	✅
 ✓	✅ ☑️ ✔️
-check	✅ ☑️ ✔️
 checkmark	✅ ✔️
 complete	✅
 completed	✅
diff --git a/map/symbol.src b/map/symbol.src
index 7b21483..de9dfb8 100644
--- a/map/symbol.src
+++ b/map/symbol.src
@@ -53,10 +53,10 @@
 α	alpha
 β	beta
 χ	chi
-°	deg
+°	deg	degree
 δ	delta
 Δ	De
-↓	dn
+↓	dn	down
 ₑ	_e
 ε	eps
 η	eta
@@ -64,40 +64,40 @@
 γ	gamma
 Γ	Ga
 ⁱ	^i
-∫	II
-∞	inf
+∫	II	integral
+∞	inf	infinity
 ι	iota
 κ	kappa
 λ	lambda
 Λ	La
-×	mul
+×	mul	times
 μ	mu
 ⁿ	^n
 ν	nu
 ω	omega
 Ω	Om
-●	oo
+●	oo	circle
 ₒ	_o
 φ	phi
 Φ	Ph
 π	pi
 Π	Pi
-∏	PP
+∏	PP	prod
 ψ	psi
 Ψ	Ps
 ρ	rho
 σ	sigma
 Σ	Si
-√	sq
-∑	SS
+√	sq	sqrt
+∑	SS	sum
 τ	tau
 θ	theta
 Θ	Th
 ↑	up
 υ	ups
-✓	vv
+✓	vv	check
 ξ	xi
 Ξ	Xi
-✗	xx
+✗	xx	cross
 ₓ	_x
 ζ	zeta